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Contract OI history

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Nov 20, 2026 EXPIRATION

STAA $25.00 Call

STAA261120C00025000

Latest saved OI234Oct 23, 2026
Last change+154vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
STAA $25.00 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2341170 2026-10-08: 50 OI2026-10-09: 64 OI2026-10-13: 66 OI2026-10-14: 66 OI2026-10-15: 66 OI2026-10-16: 70 OI2026-10-20: 80 OI2026-10-23: 234 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

STAA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing234+154
Oct 20, 202680+10
Oct 16, 202670+4
Oct 15, 2026660
Oct 14, 2026660
Oct 13, 202666+2
Oct 09, 202664+14
Oct 08, 202650No prior observation